Joao Fonseca - ATP #43 (2025-08-25)
| atpworldtour.com | ATP | Country |  Brazil |
| Wikipedia | Eng / Fr | Birth | - |
| Career best ranking | 43 - 2025-08-25 | Résidence |  Unknown |
| Height | - | ||
| Weight | - |
| Conditions | W | D | ratio |
|---|---|---|---|
| Hard (out.) | 6 | 5 | 54.55% |
| Grass | 3 | 3 | 50.00% |
| Clay | 8 | 4 | 66.67% |
| TOTAL | 17 | 12 | 58.62% |
| # | Date | Categ | Tournament | Conditions | Round | #Rank | Opponent | Score | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2025-08-25 | GS |  US Open | Hard (out.) | 32e | #53 |  #24 Tomas Machac | 7/6(4) 6/2 6/3 | |
| 2 | 2025-08-25 | GS | US Open | Hard (out.) | 64e | #53 |  #49 Miomir Kecmanovic | 7/6(3) 7/6(5) 6/3 | |
| 3 | 2025-08-04 | 1000 | Cincinnati Masters | Hard (out.) | 16e | #51 |  #124 Terence Atmane | 6/3 6/4 | |
| 4 | 2025-08-04 | 1000 | Cincinnati Masters | Hard (out.) | 32e | #51 |  #27 Alejandro Davidovich Fokina | 6/7(0) 5/4 w/o | |
| 5 | 2025-08-04 | 1000 | Cincinnati Masters | Hard (out.) | 64e | #51 |  #70 Bu Yunchaokete | 4/6 6/2 7/5 | |
| 6 | 2025-07-27 | 1000 |  Rogers Cup - Canada | Hard (out.) | 64e | #51 |  #103 Tristan Schoolkate | 7/6(5) 6/4 | |
| 7 | 2025-06-30 | GS |  Wimbledon | Grass | 16e | #54 |  #142 Nicolas Jarry | 6/3 6/4 3/6 7/6(4) | |
| 8 | 2025-06-30 | GS | Wimbledon | Grass | 32e | #54 | #144 Jenson Brooksby | 6/4 5/7 6/2 6/4 | |
| 9 | 2025-06-30 | GS | Wimbledon | Grass | 64e | #54 |  #51 Jacob Fearnley | 6/4 6/1 7/6(5) | |
| 10 | 2025-06-23 | 250 | Eastbourne International | Grass | 8e | #54 | #4 Taylor Fritz | 6/3 6/7(5) 7/5 | |
| 11 | 2025-06-23 | 250 | Eastbourne International | Grass | 16e | #54 |  #49 Zizou Bergs | 6/7(8) 6/0 6/3 | |
| 12 | 2025-06-16 | 500 |  Open de Halle | Grass | 16e | #56 |  #24 Flavio Cobolli | 5/7 7/6(3) 7/6(8) | |
| 13 | 2025-05-25 | GS | Roland Garros | Clay | 16e | #62 | #5 Jack Draper | 6/2 6/4 6/2 | |
| 14 | 2025-05-25 | GS | Roland Garros | Clay | 32e | #62 | #143 Pierre-Hugues Herbert | 7/6(4) 7/6(4) 6/4 | |
| 15 | 2025-05-25 | GS | Roland Garros | Clay | 64e | #62 |  #34 Hubert Hurkacz | 6/2 6/4 6/2 | |
| 16 | 2025-05-07 | 1000 | Masters de Rome | Clay | 64e | #63 |  #80 Fabian Marozsan | 6/3 7/6(4) | |
| 17 | 2025-04-21 | 1000 | Masters de Madrid | Clay | 32e | #63 | #11 Tommy Paul | 7/6(7) 7/6(3) | |
| 18 | 2025-04-21 | 1000 | Masters de Madrid | Clay | 64e | #63 |  #142 Elmer Moller | 6/2 6/3 | |
| 19 | 2025-03-19 | 1000 | Miami Masters | Hard (out.) | 16e | #62 | #12 Alex De Minaur | 5/7 7/5 6/3 | |
| 20 | 2025-03-19 | 1000 | Miami Masters | Hard (out.) | 32e | #62 | #19 Ugo Humbert | 6/4 6/3 | |
| 21 | 2025-03-19 | 1000 | Miami Masters | Hard (out.) | 64e | #62 | #64 Learner Tien | 6/7(1) 6/3 6/4 | |
| 22 | 2025-03-03 | 1000 | Indian Wells Masters | Hard (out.) | 32e | #79 | #12 Jack Draper | 6/4 6/0 | |
| 23 | 2025-03-03 | 1000 | Indian Wells Masters | Hard (out.) | 64e | #79 | #80 Jacob Fearnley | 6/2 1/6 6/3 | |
| 24 | 2025-02-17 | 500 | Rio Open | Clay | 16e | #96 | #57 Alexandre Muller | 6/1 7/6(4) | |
| 25 | 2025-02-10 | 250 |  Buenos Aires Open | Clay | F | #96 | #28 Francisco Cerundolo | 6/4 7/6(1) | |
| 26 | 2025-02-10 | 250 | Buenos Aires Open | Clay | DF | #96 | #110 Laslo Djere | 7/6(3) 5/7 6/1 | |
| 27 | 2025-02-10 | 250 | Buenos Aires Open | Clay | QF | #96 | #46 Mariano Navone | 3/6 6/4 7/5 | |
| 28 | 2025-02-10 | 250 | Buenos Aires Open | Clay | 8e | #96 | #143 Federico Coria | 2/6 6/4 6/2 | |
| 29 | 2025-02-10 | 250 | Buenos Aires Open | Clay | 16e | #96 | #41 Tomas Martin Etcheverry | 6/3 6/3 |
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